Device level ring object, Class code, Services – Rockwell Automation 20-COMM-ER 20-COMM-ER Dual-Port EtherNet/IP Communication Adapter User Manual User Manual

Page 189: Instances, Class attributes, Instance attributes, Class code services

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Rockwell Automation Publication 20COMM-UM015B-EN-P - July 2013

189

EtherNet/IP Objects Appendix C

Device Level Ring Object

Class Code

Services

The following common services will be implemented for the DLR Object.

Instances

Get_Attribute_ALL is implemented for instances and Get_Attribute_Single for
both class and instance.

The adapter supports one instance of the TCP/IP Interface object.

Class Attributes

The following class attributes will be supported for the DLR Object:

Instance Attributes

A single instance (instance 1) will be supported.

Hexadecimal

Decimal

0x0047

71

Service Code

Implemented for:

Service Name

Class

Instance

0x01

No

Yes

Get_Attributes_All

0x0E

Yes

Yes

Get_Attribute_Single

Number

Description

0

Class Attributes

1

Object Attributes

Attribute ID

Access Rule

Name

Data Type

Description

1

Get

Revision

UNIT

2

Attribute ID

Access Rule

Name

Data Type

Description

1

Get

Network Topology

USINT

0 = Linear
1 = Ring

2

Get

Network Status

USINT

0 = Normal
1 = Ring Fault
2 = Unexpected Loop Detect
3 = Partial Network Fault
4 = Rapid Fault/Restore Cycle

10

Get

Active Supervisor Address

STRUCT of:

UDINT

Array of 6

USINT

Ring supervisor

12

Get

Capability Flags

DWORD

0x00000002

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